Fix(eos_cli_config_gen): Fix typo in router multicast template (#6631)

Author: Shivani-gslab

ansible_collections/arista/avd/extensions/molecule/eos_cli_config_gen/documentation/devices/host5.md

@@ -6,6 +6,8 @@
   - [Management Interfaces](#management-interfaces)
 - [Monitoring](#monitoring)
   - [TerminAttr Daemon](#terminattr-daemon)
+- [Multicast](#multicast)
+  - [Router Multicast](#router-multicast)
 
 ## Management
 
@@ -53,3 +55,21 @@ daemon TerminAttr
    exec /usr/bin/TerminAttr -cvaddr=192.0.2.1:9910,192.0.2.2:9910,192.0.2.3:9910 -cvauth=token,/tmp/token -cvvrf=mgt -smashexcludes=ale,flexCounter,hardware,kni,pulse,strata -ingestexclude=/Sysdb/cell/1/agent,/Sysdb/cell/2/agent -taillogs
    no shutdown
 ```
+
+## Multicast
+
+### Router Multicast
+
+#### IP Router Multicast Summary
+
+- IPv6 software forwarding is handled by the Linux kernel.
+
+#### Router Multicast Device Configuration
+
+```eos
+!
+router multicast
+   !
+   ipv6
+      software-forwarding kernel
+```

ansible_collections/arista/avd/extensions/molecule/eos_cli_config_gen/intended/configs/host5.cfg

@@ -7,3 +7,8 @@ interface Management1
    description OOB_MANAGEMENT
    vrf MGMT
    ip address 10.73.255.122/24
+!
+router multicast
+   !
+   ipv6
+      software-forwarding kernel

ansible_collections/arista/avd/extensions/molecule/eos_cli_config_gen/inventory/host_vars/host5/router-multicast.yml

@@ -0,0 +1,4 @@
+---
+router_multicast:
+  ipv6:
+    software_forwarding: kernel

python-avd/pyavd/_eos_cli_config_gen/j2templates/eos/router-multicast.j2

@@ -45,7 +45,7 @@ router multicast
       routing
 {%         endif %}
 {%         if router_multicast.ipv6.software_forwarding is arista.avd.defined %}
-      software-forwarding {{ router_multicast.ipv4.software_forwarding }}
+      software-forwarding {{ router_multicast.ipv6.software_forwarding }}
 {%         endif %}
 {%     endif %}
 {%     for vrf in router_multicast.vrfs | arista.avd.natural_sort('name', ignore_case=false) %}